Weighing-scale.



No. 854,285. PATENTBD MAY 21, 1907.

I. GAGNON. WEIGHING SCALE.

APPLICATION FILED DEC. 24. 1906.

TH! NaRlus rzrzns ca. WASHINGTON. n. c.

UNITED STATES PATEN T OFFICE.

THOMAS GAGNON, OF ST. J OHNSBURY, VERMONT, ASSIGN OR TO E. AND T.FAIRBANKS AND COMPANY, OF ST. JOHNSBURY, VERMONT, A OORPO- RATION OFVERMONT.

WElGHING-SCALE.

Specification of Letters Patent.

Patented May 21, 1907.

Application filed December 24, 1906. Serial No- 3&9,Z23.

To all whom, (It may concern;

Be it known that I, THOMAS GAGNON, a subj ect of the King of GreatBritain and Ireland, residing at St. Jolmsbury, in the county ofCaledonia, State of Vermont, have invented certain new and usefulImprovements in Weighing-Scales, of which the following i a description,reference being had to the accompanying drawings and to the letters andfigures of reference marked thereon.

My invention relates to an improvement in weighing scales, and has beenespecially designed as an improvement on charging or ingredient scalesin which beneath an inde pendent main beam are supported a series ofingredient beams any one of which can be disengaged from its support andattached to themain beam.

It has been found in practice that where more than a limited number ofbeams must be used, and the beams are one directly beneath the other,that the upper beam or beams are diflicult of access.

One feature of the present invention, therefore, relates to thearrangement of the beams in two series, one each side the center line,thus staggering them, and taking up just o no half the vertical space asbefore.

Another feature of the present invention relates to a novel means fordisengaging the ingredient beams from that position in which they reallyform a part of the main beam.

The invention also comprises various details, as hereinafter referred toin the appended claims.

The invention is illustrated in the accompanying drawings, in which,

Figure 1 is a front view of the beam box, showing the main beam and afew ingredient beams; Fig. 2 is a section on line UV; Fig. 3 is asection on line W-X Fig. 4 is a section on the line Y-Z; Fig. 5 is adetail of the bearings in which the beams rest; and Fig. 6 is a detailview of the latch by which the beams are thrown into and out ofoperation.

In these drawings, the'main beam is shown at c, and it is connected withthe scale by the rod 0. A loop .9 and pivot are carried by the other endof this beam, from which hangs what I have termed a laddcrf. This ladderis hung from the loop by two pins 72., so that as the load is applied.first to one side and then to the other, the ladder will not swing buthang plumb. The ingredient beams are arranged in two series I), I), eachhaving a knife edge support on the bars 0, supported by the beam box 1",and each having near its opposite end a notch m adapted to engage aknife edge a on the ladder f, and when so engaged really forms a part ofthe beam a, and is then in position to WBI lL Iii will be seen that eachof the bars 0, supports alternately a beam 6 and beam 6, thus giving astaggered eifectto the beams, each bar being notched on its under sideabove the beam attached to the next lower bar, so also the knife edgeson the ladder f are c0rrespondingly arranged. By this construction, amaximum number of beams may be arranged in the box, Withoutobjectionably increasing the height.

As a further improvement, I have provided a special construction oflatch for raising and lowering the beams b, b, from engagement with theladder, thus rendering it inoperative, or operative as a part of thebeam (1.

Referring particularly to Figs. 4 and 6, (1 represents the latch whichis shown in full lines as turned down allowing the beam to rest on theladder. The holder t which supportsi one end of the shaft to which thelatch is fixed, is formed to act as a stop against which the bent end eof the shaft bears. When the latch is. turned to the position shown indotted lines in Fig. 6, the holder also acts as a stop for the shaft.

An indicator 7c, attached to the beam '0, projects through an opening Iin the front of the beam box, so that when the entire box is closed, themotion of the beam may still be observed.

The poises i are of usual construction, and have the customary latches.

g is the trigger to fasten the beam when not in use; 7' is a poise tobalance up-the empty beam and p is a rod to which balance I weightsmaybe attached.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent, is: I

1. In combination, a main beam, a plurality of of auxiliary beams, thoseof one set being disposed in staggered relation to the beams of theother set, and means for connecting and disconnecting the main andauxiliary beams.

2. In a scale of the class described, a main beam, a plurality of setsof auxiliary beams disposed in staggered relation, a connecting ladderfor the auxiliary beams and a ladder suspension means including aplurality of spaced supports to prevent side swaying of the ladder.

In weighing scales, the combination of a plurality of beams arranged inseries, the beams of each series being arranged vertically, but thebeams of one series being staggered with relation to those of the otherseries, bars carrying pivot supports for the knife edges of said beams,and a ladder carrying knife edges to support the opposite ends of saidbeams; substantially as described.

I. In weighing scales, the combination of a plurality of beams arranged1n series, the beams of each series being arranged vertically, but thebeams of one series being staggered with relation to those of the otherseries, bars 0., each having on its upper face a beam support, and onits opposite lower face a notch to allow of movement of the beambeneath, the beam support on one bar being opposite the notch on the barabove; substantially as described.

5. In a weighing scale, an engaging and releasin latch, a carrying shafttherefor, said shaft having a projection or arm at one end, and a shaftholder or support having stop faces with which said projection or arm engages to hold the latch in adjusted position.

6. In combination with the main beam and ladder f carried'thereby, abeam box, a shaft holder carried thereby, a series of ingredient beamsadapted to be engaged or disengaged from the latter, a latch d and alatch shaft having a projection at one end adapted in both raised andlowered positions to engage the holder; substantially as described.

In testimony whereof I affix my signature, in presence of two witnesses.

THOMAS GAGNON.

Witnesses:

PERLEY FwHAZEN, HAROLD O. FRENCH.

